from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
import datetime
import requests
import pytz
import yaml
from tools.final_answer import FinalAnswerTool

from Gradio_UI import GradioUI

# Below is an example of a tool that does nothing. Amaze us with your creativity !
@tool
def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
    #Keep this format for the description / args / args description but feel free to modify the tool
    """A tool that does nothing yet 
    Args:
        arg1: the first argument
        arg2: the second argument
    """
    return "What magic will you build ?"

@tool
def get_current_time_in_timezone(timezone: str) -> str:
    """A tool that fetches the current local time in a specified timezone.
    Args:
        timezone: A string representing a valid timezone (e.g., 'America/New_York').
    """
    try:
        # Create timezone object
        tz = pytz.timezone(timezone)
        # Get current time in that timezone
        local_time = datetime.datetime.now(tz).strftime("%Y-%m-%d %H:%M:%S")
        return f"The current local time in {timezone} is: {local_time}"
    except Exception as e:
        return f"Error fetching time for timezone '{timezone}': {str(e)}"

@tool
def get_weather_forecast(city_name):
    """A tool that fetches the current weather of a specified city.
    Args:
        city: A string representing a valid city (e.g., 'Bangalore').
    """

    latitude, longitude = get_coordinates_no_api_key(city_name)
    
    base_url = "https://api.open-meteo.com/v1/forecast"  # No API key needed for this version
    params = {
        "latitude": latitude,
        "longitude": longitude,
        "hourly": "temperature_2m,precipitation,wind_speed",
        "daily": "temperature_2m_max,temperature_2m_min,precipitation_sum",
        "forecast_days": 7,
        "timezone": "auto"
    }

    try:
        response = requests.get(base_url, params=params) # No headers needed
        response.raise_for_status()
        weather_data = response.json()
        return weather_data
    except requests.exceptions.RequestException as e:
        print(f"Error fetching weather data: {e}")
        return None
    except json.JSONDecodeError as e:
        print(f"Error decoding JSON response: {e}")
        return None

def get_coordinates_no_api_key(city_name):
    """Gets coordinates using OpenStreetMap's Nominatim (no API key, but with limitations)."""

    # This approach is less reliable and might have rate limits.
    # It's suitable for basic use cases but not for production.

    geocoding_url = "https://nominatim.openstreetmap.org/search" # No API Key needed
    params = {
        "q": city_name,
        "format": "json",
        "limit": 1
    }

    try:
        response = requests.get(geocoding_url, params=params)
        response.raise_for_status()
        geocoding_data = response.json()

        if geocoding_data:  # Check if any results were found
            latitude = float(geocoding_data[0]["lat"])
            longitude = float(geocoding_data[0]["lon"])
            return latitude, longitude
        else:
            print(f"Could not find coordinates for {city_name}")
            return None, None

    except requests.exceptions.RequestException as e:
        print(f"Error during geocoding: {e}")
        return None, None
    except (KeyError, IndexError, ValueError) as e:  # Handle more potential errors
        print(f"Error parsing geocoding response: {e}")
        return None, None



def get_weather(city: str) -> str:
    """A tool that fetches the current weather of a specified city.
    Args:
        city: A string representing a valid city (e.g., 'Bangalore').
    """
    try:
        response =  requests.get('https://api.open-meteo.com/v1/forecast?latitude=52.52&longitude=13.41&hourly=temperature_2m&models=bom_access_global')
        weatherJSON = response.json()
        cityName = weatherJSON.get('location').get('name')
        cityTemp = weatherJSON.get('current').get('temp_c')
        cityCondition = weatherJSON.get('current').get('condition').get('text')
        return f"The current Temperature in {cityName} is {cityTemp} and conditions are {cityCondition}"
    except Exception as e:
        return f"Error fetching weather conditions for {city}"

final_answer = FinalAnswerTool()

# If the agent does not answer, the model is overloaded, please use another model or the following Hugging Face Endpoint that also contains qwen2.5 coder:
# model_id='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud' 

model = HfApiModel(
max_tokens=2096,
temperature=0.5,
model_id='Qwen/Qwen2.5-Coder-32B-Instruct',# it is possible that this model may be overloaded
custom_role_conversions=None,
)


# Import tool from Hub
image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)

with open("prompts.yaml", 'r') as stream:
    prompt_templates = yaml.safe_load(stream)
    
agent = CodeAgent(
    model=model,
    tools=[final_answer], ## add your tools here (don't remove final answer)
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name=None,
    description=None,
    prompt_templates=prompt_templates
)


GradioUI(agent).launch()